Connect and charge up to four USB devices at the same time. The 5.1A Four-Port Charging Station, in white, from Case Logic offers four full-size USB ports as well as two 3-prong AC outlets for plugging in various devices/equipment. Three of the USB ports output 1A of power while the fourth delivers 2.1A. Simply plug the integrated power cord into an AC outlet and the station turns on and stays on for round-the-clock use. Moreover, an LED light on top turns on when a USB device is connected to indicate status.